Hopper assembly



FIG. 1 is a front isometric view of a hopper assembly showing our new design;

FIG. 2 is a front view;

FIG. 3 is a back view;

FIG. 4 is a top view;

FIG. 5 is a bottom view;

FIG. 6 is a left side view; and,

FIG. 7 is a right side view.

The broken lines on FIG. 5 are indicative of an unclaimed portion of the design. 

CLAIM An ornamental design for a hopper assembly, as shown and described. 